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64104653 = 8928093
BaseRepresentation
bin1111010010001…
…0100011001101
311110121212001102
43310202203031
5112402322103
610205552445
71405611014
oct364424315
9143555042
1064104653
1133204858
1219575725
1310386362
148729a7b
155963e88
hex3d228cd

64104653 has 6 divisors (see below), whose sum is σ = 64841034. Its totient is φ = 63376544.

The previous prime is 64104643. The next prime is 64104659. The reversal of 64104653 is 35640146.

It is a happy number.

64104653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 56644 + 64048009 = 238^2 + 8003^2 .

It is a de Polignac number, because none of the positive numbers 2k-64104653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64104659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3875 + ... + 11967.

It is an arithmetic number, because the mean of its divisors is an integer number (10806839).

Almost surely, 264104653 is an apocalyptic number.

It is an amenable number.

64104653 is a deficient number, since it is larger than the sum of its proper divisors (736381).

64104653 is an frugal number, since it uses more digits than its factorization.

64104653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271 (or 8182 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 64104653 is about 8006.5381407947. The cubic root of 64104653 is about 400.2179083517.

Adding to 64104653 its reverse (35640146), we get a palindrome (99744799).

The spelling of 64104653 in words is "sixty-four million, one hundred four thousand, six hundred fifty-three".

Divisors: 1 89 7921 8093 720277 64104653